Top Mariners prospect Taijuan Walker scattered three hits over five shutout innings in Tacoma's 3-1 win over Colorado Springs in the Pacific Coast League on Tuesday. Walker struck out six and walked four and improved to 4-3 with a 3.86 ERA in Triple-A. The win was his first scoreless outing since July 1.

The Rainiers pitching staff took a scoreless streak of 23 innings into the ninth.

Tim Wheeler, the Rockies' No. 10 prospect, knocked in the lone run for the Sky Sox.

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Billy Hamilton notched his 120th and 121st hits of the season in Lousville's 5-1 win at Rochester. The Reds' top prospect also had an RBI, a run scored, a walk and his 72nd stolen base.

Greg Reynolds throw a complete game for the Bats, allowing one run on five hits. Reynolds (12-3) struck out four without walking anybody. He's second in the International League in wins, and his 2.42 ERA is behind only the 2.41 mark set by Indianapolis' Kris Johnson.

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Brooks Raley scattered three hits and struck out six over eight innings in Iowa's 3-0 win over New Orleans. Raley is 8-9 with a 4.15 ERA.

Brad Nelson homered for the second time in three games, and No. 5 Cubs prospect Mike Olt hit safely for the second consecutive day after going hungry for five games.

Sam Dyson permitted two hits and a walk while striking out four over seven scoreless innings for the Zephyrs.

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No. 9 Tigers prospect Hernan Perez collected three hits, walked and scored a run in Toledo's 5-0 win against Gwinnett. Perez is hitting .412 and has a base knock in every tilt since coming to the IL eight games ago.

Kyle Lobstein (4-3) gave up five hits and struck out six over 6 1/3 innings. Mud Hens hurlers didn't allow a walk over the course of the game.

Sean Gilmartin, the Braves' No. 4 prospect, struck out six in four innings, but he gave up four runs on seven hits and fell to 3-8 with a 5.63 ERA.

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Nick Additon gave up two hits and two walks and struck out seven over seven innings in Memphis' 4-0 win over Omaha. The Cardinals farmhand is 9-7 with a 4.10 ERA.

After driving in four runs Monday, Jamie Romak homered, singled and scored twice.

No. 14 Royals prospect John Lamb held the Redbirds to three runs over six innings, picking up a pair of strikeouts, but he took the loss. He's 0-2 with a 6.55 ERA.

This story was not subject to the approval of the National Association of Professional Baseball Leagues or its clubs.